All around the world, 里思 (Reith 
, 里思 
) is a rare masculine given name. The forename 里思 is habitual in the Democratic Republic of the Congo, where it is a rare male name, the United States, where it is an extremely rare principally boy's, but very infrequently female name, and China, where it is an extremely rare boy's name. More frequently, 里思 is the last name as well as the forename.